Q: Is 5,426,143 a Prime Number?
A: No, 5,426,143 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5426143 can be evenly divided by 1 103 139 379 14,317 39,037 52,681 and 5,426,143, with no remainder.
Since 5,426,143 cannot be divided by just 1 and 5,426,143, it is not a prime number.